Archbishop Samuel Aquila , in keeping with a papal proclamation for the worldwide Catholic Church to fast and pray for peace in Syria, is inviting area residents of all faiths to a vigil starting at 7 p.m. Saturday at the Cathedral Basilica of the Immaculate Conception, 1530 Logan St. in Denver. The vigil lasts until midnight.

“Let us unite our hearts with the Holy Father and beseech God to soften the hearts of those who see each other as enemies, Aquila said in a statement. “We must insist that violence never leads to peace and urge genuine dialogue as the way forward.”

Colorado energy regulators on Monday proposed tighter rules for shutting down oil and gas pipelines after a fatal explosion blamed on natural gas leaking from a line that was thought to be out of service but was still connected to a well.